Periodic Inspection and Maintenance
8
8.4 Replace a Cooling Fan and Circulation Fan
SIEPYEUOQ2A01G AC Drive Q2A Technical Manual 329
3. Put the cable in the recess of the drive.
A - Front of drive
Figure 8.18 Put the Cable in the Drive Recess
4. Push the hooks on the left and right sides of the fan finger guard and click it into place on the drive.
Figure 8.19 Reattach the Fan Finger Guard
5. Energize the drive and set o4-03 = 0 [Fan.Oper Setting = 0 h] to reset the cooling fan operation time.
◆ Replace a Fan (Models 2070 to 2110, 4044 to 4075)
WARNING! Electrical Shock Hazard. Electrical Shock Hazard. Do not examine, connect, or disconnect wiring on an energized
drive. Before servicing, disconnect all power to the equipment and wait for the time specified on the warning label at a minimum.
The internal capacitor stays charged after the drive is de-energized. The charge indicator LED extinguishes when the DC bus
voltage decreases below 50 Vdc. When all indicators are OFF, measure for dangerous voltages to make sure that the drive is
safe. If you do work on the drive when it is energized, it will cause serious injury or death from electrical shock.
CAUTION! Burn Hazard. Do not touch a hot drive heatsink. De-energize the drive, wait 15 minutes minimum, and make sure
that the heatsink is cool to replace the cooling fans. Failure to obey can cause minor to moderate injury.
NOTICE: Follow cooling fan replacement instructions. Replace all fans when performing maintenance to help ensure maximum
useful product life. Improper fan replacement could cause damage the drive.
■ Remove a Fan
1. To remove the fan finger guard from the drive, push the tabs on the left and right sides of it and pull up the
back side of the guard.
A - Fan finger guard
Figure 8.20 Remove the Fan Finger Guard
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